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3 votes
A bag of marbles contains 5 red, 10 blue, 3 yellow and 7 green marbles. lisa chooses one marble at random from the bag. what is the probability of not choosing a red marble?

1 Answer

5 votes
20/25=4/5 or 80%

There are 20 non-red marbles and there are 25 total marbles
User Nktoronto
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